Diketahui n(P)=21, n(Q)=30. carilah nilai n(PUQ) jika n (PnQ)=10
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Pertanyaan
Diketahui n(P)=21, n(Q)=30. carilah nilai n(PUQ) jika n (PnQ)=10
1 Jawaban
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1. Jawaban xkuadratz
n(PUQ) = n(P) + n(Q) - n(PnQ)
= 21 + 30 - 10
= 41